Homemade Potassium Iodide

In the wake of the recent tragedy in Japan, Southern Californians have been hyper alert to any news regarding dangerous levels of nuclear radiation drifting over from Fukushima. At this time, official statements from the California Department of Public Health and the EPA are a ...more

But elephants don't need toothpaste, do they? Mr. Kent, a Long Island chemistry teacher, is at it again with his after hours experiments. We like to refer to him as Mr. Wizard 2.0. Elephant's toothpaste is what science geeks call this foamy reaction. Chemically it is the dec ...more

Want to make boring old colorless water brighten up on command? Well, you can control the color of water with this little magic trick. Actually, it's not really magic, but a classic science experiment known commonly as the iodine clock reaction, which uses the reactions betwee ...more

The pumpkin is everyone's favorite cucurbit come Halloween time, and while there are only a few types of Halloween-friendly pumpkins out there, there is definitely no shortage of what you can do with them. You can carve faces into them, perform brain surgery, make them sing, ...more

Will the predicted apocalyptic date—December 21st, 2012—really be the end of the world? In this ongoing five-part series, we examine what would happen if zombies, nuclear weapons, cyber wars, earthquakes, or aliens actually destroyed our planet—and how you might survive. End ...more

Many of the beauty products you buy at drug and department stores are loaded with potentially toxic ingredients like parabens, while their active ingredients are made of things like glycolic, lactic, malic, and alpha hydroxy acids and retinoids, which are all derived from food ...more

Taco Bell's in the news for umpteenth time, and today the controversy is over their infamous beef taco meat. Gizmodo leaked a picture of Taco Bell's "Taco Meat Filling" and surprise, surprise— it's missing a lot of the "meat" that it claims in its advertisements. Taco Meat Fil ...more

I finally got around to trying out another one of Will's mad science experiments and found out that this one was actually more satisfying (and less frustrating) than my slightly uncooperative jar jet. There's something very pleasing about making potassium nitrate at home in th ...more

Surprisingly, making your very own smoke grenade is pretty easy—and cheap. All you need is a saucepan or skillet, piezoelectric lighter, sugar and some potassium nitrate (easily available online and in most gardening stores). Simply heat the ingredients over low heat until th ...more

The best chemistry experiments are those you can perform with items already laying around your house. With only some sugar, salt substitute and an instant cold pack, you can make your very own gunpowder! Being able to make homemade gunpowder without a trip to the store can be ...more

Cooking isn't something that interests me much, unless it results in a fast burning fuel and a successful rocket launch! WARNING: Ignition of an incendiary or explosive material may not be legal in your area, so check local laws before attempting. Use of this video content is ...more

The big fireworks day is almost here, but most of you are limited in what you can do when it comes to celebrating the Fourth of July with a bang. Unless you live in a dry area prone to wildfires, one type of fireworks you can probably still legally buy are sparklers. But why ...more

Several years ago, I moved to Brooklyn, New York, just outside a Spanish neighborhood. It was here that I was introduced to chayote. Fast-forward to present day: I live in Los Angeles and buy several chayote squash a week to cook with—yes, I said several. It's so versatile and ...more

Uh-oh: you wake up one morning with the telltale signs that you are coming down with something. Your throat is sore, you can barely breathe out of your nose, and you have a nagging cough. Don't Miss: How to Make Your Own Sore Throat Lozenges Before you jump to the store and ...more

Even if you haven't heard of ube (pronounced "OO-beh"), you've probably seen pictures of desserts made with this brilliant purple yam. The ube really does look almost too pretty to be food, doesn't it?. While there is often confusion between sweet potatoes and true yams, the u ...more

Tonic water, seltzer water, club soda, and mineral water: these 4 types of "bubbly water" are often, erroneously, used interchangeably. But the truth is that each possesses unique qualities and uses that set them apart from each other. Most experts can tell types of bubbly wat ...more

Most of us have conducted an investigatory science project without even knowing it, or at least without knowing that's what it was called. Most science experiments performed, from elementary to high school students and all the way up to professional scientists, are investigato ...more